Combined ruler and letter opener



FIG. 1 is a perspective view of a combined ruler and letter opener with a letter-opener showing my new design,

FIG. 2 is a front elevational view thereof,

FIG. 3 is a right end elevational view thereof,

FIG. 4 is a left end elevational view thereof,

FIG. 5 is a top plan view thereof,

FIG. 6 is a rear elevational view thereof; and

FIG. 7 is a bottom plan view thereof. 

The ornamental design for a combined ruler and letter opener, as shown and described. 